Home / 29,170.83-40,243.76-21,635.70

Finding the Fourth Proportional to 29,170.83, 40,243.76 and 21,635.70

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Solution

The fourth proportional to 29,170.83, 40,243.76 and 21,635.70 is: 29,848.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,170.83 : 40,243.76 = 21,635.70 : x
  2. Step 2: Convert to fraction form
    29,170.83/40,243.76 = 21,635.70/x
  3. Step 3: Cross multiply
    29,170.83x = 40,243.76 × 21,635.70
  4. Step 4: Simplify right side
    29,170.83x = 870,701,918.23
  5. Step 5: Solve for x
    x = 870,701,918.23/29,170.83
  6. Step 6: Final answer
    x = 29,848.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.